Differential gear arrangement
Digital automatic transmission control
Digital electronic controller for power transmission
Direct coupling clutch control system for automatic transmission
Disengage mechanism for gear drive
Double transition closed throttle downshift control in an automa
Double transition downshift control for an automatic transmissio
Double transition upshift control for an automatic transmission
Double transition upshift control in an automatic transmission
Downshift control circuit for hydraulic transmission
Downshift control for automatic transmission
Downshift inhibitor for a powershift transmission
Downshift timing and engine brake control for automatic transmis
Downshift timing and engine brake control for automatic transmis
Downshift valve in hydraulic transmission control system
Downshift with power in continuously variable transmission
Drive by wire control device for an internal combustion engine a
Drive control device for vehicles
Drive engagement pressure control by trimmer bias control
Drive for an electric rail motor car